307400960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 778616832

約数和(自身を除く): 471215872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 127, 128, 155, 160, 244, 248, 254, 256, 305, 310, 320, 488, 496, 508, 610, 620, 635, 640, 976, 992, 1016, 1220, 1240, 1270, 1280, 1891, 1952, 1984, 2032, 2440, 2480, 2540, 3782, 3904, 3937, 3968, 4064, 4880, 4960, 5080, 7564, 7747, 7808, 7874, 7936, 8128, 9455, 9760, 9920, 10160, 15128, 15494, 15616, 15748, 16256, 18910, 19520, 19685, 19840, 20320, 30256, 30988, 31496, 32512, 37820, 38735, 39040, 39370, 39680, 40640, 60512, 61976, 62992, 75640, 77470, 78080, 78740, 81280, 121024, 123952, 125984, 151280, 154940, 157480, 162560, 240157, 242048, 247904, 251968, 302560, 309880, 314960, 480314, 484096, 495808, 503936, 605120, 619760, 629920, 960628, 991616, 1007872, 1200785, 1210240, 1239520, 1259840, 1921256, 1983232, 2401570, 2420480, 2479040, 2519680, 3842512, 4803140, 4958080, 5039360, 7685024, 9606280, 9916160, 15370048, 19212560, 30740096, 38425120, 61480192, 76850240, 153700480, 307400960]

約数ペア:

[(1, 307400960), (2, 153700480), (4, 76850240), (5, 61480192), (8, 38425120), (10, 30740096), (16, 19212560), (20, 15370048), (31, 9916160), (32, 9606280), (40, 7685024), (61, 5039360), (62, 4958080), (64, 4803140), (80, 3842512), (122, 2519680), (124, 2479040), (127, 2420480), (128, 2401570), (155, 1983232), (160, 1921256), (244, 1259840), (248, 1239520), (254, 1210240), (256, 1200785), (305, 1007872), (310, 991616), (320, 960628), (488, 629920), (496, 619760), (508, 605120), (610, 503936), (620, 495808), (635, 484096), (640, 480314), (976, 314960), (992, 309880), (1016, 302560), (1220, 251968), (1240, 247904), (1270, 242048), (1280, 240157), (1891, 162560), (1952, 157480), (1984, 154940), (2032, 151280), (2440, 125984), (2480, 123952), (2540, 121024), (3782, 81280), (3904, 78740), (3937, 78080), (3968, 77470), (4064, 75640), (4880, 62992), (4960, 61976), (5080, 60512), (7564, 40640), (7747, 39680), (7808, 39370), (7874, 39040), (7936, 38735), (8128, 37820), (9455, 32512), (9760, 31496), (9920, 30988), (10160, 30256), (15128, 20320), (15494, 19840), (15616, 19685), (15748, 19520), (16256, 18910)]